| Report Element Information |
| Run date/time: 7/17/2011 4:28:48 PM |
| Report Element Attributes: |
| Prefix: | pattern |
| Standard label: | Equity, Beginning Balance |
| Documentation: | Etiam ipsum orci, gravida nec, feugiat ut, malesuada quis, mauris. Etiam porttitor. Ut venenatis, velit a accumsan interdum, odio metus mollis mauris, non pharetra augue arcu eu felis. |
| Balance type: | Credit |
| Period type: | As of (instant) |
| Report element type: | [Concept] |
| Data type: | Monetary (xbrli:monetaryItemType) |
| ID: | pattern_Equity |
| Name: | pattern:Equity |
| Labels of Report Element |
| Role: | Label | Lang |
| (http://www.xbrl.org/2003/role/documentation) | Etiam ipsum orci, gravida nec, feugiat ut, malesuada quis, mauris. Etiam porttitor. Ut venenatis, velit a accumsan interdum, odio metus mollis mauris, non pharetra augue arcu eu felis. | en |
| Period end label (http://www.xbrl.org/2003/role/periodEndLabel) | Equity, Ending Balance | en |
| Period start label (http://www.xbrl.org/2003/role/periodStartLabel) | Equity, Beginning Balance | en |
| Standard label (http://www.xbrl.org/2003/role/label) | Equity | en |